1 /*
2 * net/tipc/group.h: Include file for TIPC group unicast/multicast functions
3 *
4 * Copyright (c) 2017, Ericsson AB
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the names of the copyright holders nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * Alternatively, this software may be distributed under the terms of the
20 * GNU General Public License ("GPL") version 2 as published by the Free
21 * Software Foundation.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36 #ifndef _TIPC_GROUP_H
37 #define _TIPC_GROUP_H
38
39 #include "core.h"
40
41 struct tipc_group;
42 struct tipc_member;
43 struct tipc_msg;
44
45 struct tipc_group *tipc_group_create(struct net *net, u32 portid,
46 struct tipc_group_req *mreq,
47 bool *group_is_open);
48 void tipc_group_join(struct net *net, struct tipc_group *grp, int *sk_rcv_buf);
49 void tipc_group_delete(struct net *net, struct tipc_group *grp);
50 void tipc_group_add_member(struct tipc_group *grp, u32 node,
51 u32 port, u32 instance);
52 struct tipc_nlist *tipc_group_dests(struct tipc_group *grp);
53 void tipc_group_self(struct tipc_group *grp, struct tipc_name_seq *seq,
54 int *scope);
55 u32 tipc_group_exclude(struct tipc_group *grp);
56 void tipc_group_filter_msg(struct tipc_group *grp,
57 struct sk_buff_head *inputq,
58 struct sk_buff_head *xmitq);
59 void tipc_group_member_evt(struct tipc_group *grp, bool *wakeup,
60 int *sk_rcvbuf, struct tipc_msg *hdr,
61 struct sk_buff_head *inputq,
62 struct sk_buff_head *xmitq);
63 void tipc_group_proto_rcv(struct tipc_group *grp, bool *wakeup,
64 struct tipc_msg *hdr,
65 struct sk_buff_head *inputq,
66 struct sk_buff_head *xmitq);
67 void tipc_group_update_bc_members(struct tipc_group *grp, int len, bool ack);
68 bool tipc_group_cong(struct tipc_group *grp, u32 dnode, u32 dport,
69 int len, struct tipc_member **m);
70 bool tipc_group_bc_cong(struct tipc_group *grp, int len);
71 void tipc_group_update_rcv_win(struct tipc_group *grp, int blks, u32 node,
72 u32 port, struct sk_buff_head *xmitq);
73 u16 tipc_group_bc_snd_nxt(struct tipc_group *grp);
74 void tipc_group_update_member(struct tipc_member *m, int len);
75 int tipc_group_fill_sock_diag(struct tipc_group *grp, struct sk_buff *skb);
76 #endif